11123630528 has 28 divisors (see below), whose sum is σ = 22090821960. Its totient is φ = 5557439232.

The previous prime is 11123630443. The next prime is 11123630537. The reversal of 11123630528 is 82503632111.

It is a super-2 number, since 2×11123630528² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 11123630494 and 11123630503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14378 + ... + 149846.

Almost surely, 2^11123630528 is an apocalyptic number.

It is an amenable number.

11123630528 is a deficient number, since it is larger than the sum of its proper divisors (10967191432).

11123630528 is a wasteful number, since it uses less digits than its factorization.

11123630528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136764 (or 136754 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 11123630528 in words is "eleven billion, one hundred twenty-three million, six hundred thirty thousand, five hundred twenty-eight".